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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2020-09-27 18:57:46 +0400 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-09-29 10:08:25 +0200 |
| commit | 6c8f847ac1356387692f224b48c7a83ac5918b5d (patch) | |
| tree | 39526abefb826b407f6886b57863a017d8681b3a /hw/display/edid-generate.c | |
| parent | 3745d59ee489bccdab8f678a0f7972e7dbe189f9 (diff) | |
| download | qemu-6c8f847ac1356387692f224b48c7a83ac5918b5d.zip qemu-6c8f847ac1356387692f224b48c7a83ac5918b5d.tar.gz qemu-6c8f847ac1356387692f224b48c7a83ac5918b5d.tar.bz2 | |
edid: fix physical display size computation
Divide the resolution by the DPI, and multiply to mm.
Note the computation done for edid[21/22] is correct (in cm).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-2-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display/edid-generate.c')
| -rw-r--r-- | hw/display/edid-generate.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c index e58472f..618c74e 100644 --- a/hw/display/edid-generate.c +++ b/hw/display/edid-generate.c @@ -208,8 +208,8 @@ static void edid_desc_timing(uint8_t *desc, uint32_t dpi) { /* physical display size */ - uint32_t xmm = xres * dpi / 254; - uint32_t ymm = yres * dpi / 254; + uint32_t xmm = xres * 254 / 10 / dpi; + uint32_t ymm = yres * 254 / 10 / dpi; /* pull some realistic looking timings out of thin air */ uint32_t xfront = xres * 25 / 100; |